“I don’t apologize for performing for our country or military,” Keith told Entertainment Weekly in a statement. “I performed at events for previous presidents [George W.] Bush and [Barack] Obama and over 200 shows in Iraq and Afghanistan for the USO.”

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Keith added some celebrity flavor to an inaugural lineup that was noticeably short on star power, with organizers insisting that Trump himself is the celebrity in chief for this inaugural.

Last week, Broadway star Jennifer Holliday backed out as a performer at the presidential inaugural, saying she did not realize that her participation would be interpreted as a statement of support for President-elect Donald Trump.

Holliday, best known for her Tony-winning role in Broadway's "Dreamgirls," faced pressure from her gay, lesbian and black fans when it was announced she would sing at a Thursday concert at Washington's Lincoln Memorial. She said in a statement Saturday that she apologized for her lapse of judgment, for being uneducated on the issues and causing heartbreak for her fans.